why does my check engine light comes on when i accelarate in my 2003 GMC denali

Asked by Niterider121 May 31, 2014 at 12:02 AM
about the 2007 GMC Yukon Denali AWD

Question type: Maintenance & Repair

with the air condition on i giver it a good bit of gas the check engine light comes on but not with the air condition off, Unless i'm going up a hill and gun it and then the check engine light comes on? i changed the two up stream oxygen sencors, spark plug wires cleaned the fuel injectors,New air filter.

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